发明名称 Charged particle beam drawing apparatus, and method of manufacturing article
摘要 A charged particle beam drawing apparatus includes an electrostatic lens including an electrode member and configured to project the plurality of charged particle beams onto the substrate via the electrode member. In the electrode member are formed a plurality of first openings via which the plurality of charged particle beams pass, and a plurality of second openings different from the plurality of first openings, a total area of the plurality of second openings being not smaller than a total area of the plurality of first openings.
申请公布号 US8686378(B2) 申请公布日期 2014.04.01
申请号 US201213550702 申请日期 2012.07.17
申请人 TERASHIMA SHIGERU;CANON KABUSHIKI KAISHA 发明人 TERASHIMA SHIGERU
分类号 H01J37/12;H01J7/22 主分类号 H01J37/12
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